Touch display

Abstract

A touch display is provided, comprising a display device comprising a plurality of sub-pixels, and a touch layer at least comprising a sensing unit and coupled to the display device. The sub-pixels at least comprise first colored sub-pixels, second colored sub-pixels and third colored sub-pixels. The sensing unit exposes at least one boundary adjacent to one side of each of the sub-pixels. The sensing unit comprises a plurality of sets of line segments, and each set of line segments at least comprises three line segments disposed correspondingly to predetermined boundaries of the sub-pixels. A total number of the first colored sub-pixels adjacent to same sides of the predetermined boundaries, a total number of the second colored sub-pixels adjacent to same sides of the predetermined boundaries, and a total number of the third colored sub-pixels adjacent to same sides of the predetermined boundaries are identical.

What is claimed is: 
     
         1 . A touch display, comprising:
 a display device, comprising a plurality of sub-pixels, wherein the sub-pixels at least comprise first colored sub-pixels, second colored sub-pixels and third colored sub-pixels;   a touch layer, at least comprising a sensing unit and coupled to the display device, and the sensing unit exposing at least one boundary adjacent to one side of each of the sub-pixels, and the sensing unit comprising a plurality of sets of line segments, and each set of line segments at least comprising three line segments disposed correspondingly to predetermined boundaries of the sub-pixels,   wherein a total number of the first colored sub-pixels adjacent to same sides of the predetermined boundaries, a total number of the second colored sub-pixels adjacent to same sides of the predetermined boundaries, and a total number of the third colored sub-pixels adjacent to same sides of the predetermined boundaries are identical.   
     
     
         2 . The touch display according to  claim 1 , wherein a total number of the first colored sub-pixels adjacent to two opposite sides of the predetermined boundaries, a total number of the second colored sub-pixels adjacent to two opposite sides of the predetermined boundaries, and a total number of the third colored sub-pixels adjacent to two opposite sides of the predetermined boundaries are identical. 
     
     
         3 . The touch display according to  claim 1 , wherein the sub-pixels further comprise fourth colored sub-pixels, and a total number of the fourth colored sub-pixels and the total number of the first colored sub-pixels adjacent to the same sides of the predetermined boundaries of the sub-pixels are identical. 
     
     
         4 . The touch display according to  claim 3 , wherein a total number of the fourth colored sub-pixels adjacent to first sides of the predetermined boundaries is identical to a total number of the fourth colored sub-pixels adjacent to second sides of the predetermined boundaries, wherein the second sides are opposite to the first sides. 
     
     
         5 . The touch display according to  claim 1 , wherein the sub-pixels are arranged as a matrix in plural columns and rows, and the line segments of said sets corresponding adjacent rows of the sub-pixels are shifted by at least a distance corresponding to at least one of the sub-pixels. 
     
     
         6 . The touch display according to  claim 1 , wherein the sets of line segments are column line segments parallel to a column direction of the sub-pixels, and the column line segments arranged correspondingly to same row of the sub-pixels are spaced apart by a distance corresponding to at least two of the sub-pixels. 
     
     
         7 . The touch display according to  claim 6 , wherein the column line segments arranged correspondingly to same column of the sub-pixels are spaced apart by another distance corresponding to at least one of the sub-pixel. 
     
     
         8 . The touch display according to  claim 6 , wherein a length of the column line segments (Lc 1 ) is equal to a sub-pixel side length (Lsub). 
     
     
         9 . The touch display according to  claim 8 , wherein two of said column line segments of each set disposed correspondingly to the adjacent rows of the sub-pixels are shifted by at least a distance of a sub-pixel side width (Wsub). 
     
     
         10 . The touch display according to  claim 1 , wherein the sets of line segments are row line segments parallel to a row direction of the sub-pixels, and the row line segments arranged correspondingly to same column of the sub-pixels are spaced apart by a distance corresponding to at least two of the sub-pixels. 
     
     
         11 . The touch display according to  claim 10 , wherein the row line segments arranged correspondingly to same row of the sub-pixels are spaced apart by another distance corresponding to at least two of the sub-pixels. 
     
     
         12 . The touch display according to  claim 10 , wherein a length of the row line segments (Lr 1 ) is at least substantially equal to or larger than two times a sub-pixel side width (Wsub). 
     
     
         13 . The touch display according to  claim 12 , wherein two of said row line segments of each set disposed correspondingly to the adjacent column of the sub-pixels are shifted by at least a distance of a sub-pixel side length (Lsub). 
     
     
         14 . The touch display according to  claim 1 , wherein the sub-pixels comprise four different colored sub-pixels arranged as a quadrant arrangement, and the line segments are column line segments parallel to a column direction of the sub-pixels. 
     
     
         15 . The touch display according to  claim 14 , wherein the nearest column line segments of each set corresponding to different rows of the sub-pixels are staggered in at least one sub-pixel along a row direction of the sub-pixels, and the nearest column line segments of each set corresponding to same row of the sub-pixels are spaced apart by a distance corresponding to at least three of the sub-pixels along the row direction. ( FIG. 14 ) 
     
     
         16 . The touch display according to  claim 14 , wherein the column line segments of each set are at least substantially equal to three times a sub-pixel side length (3×Lsub). 
     
     
         17 . The touch display according to  claim 1 , wherein the sub-pixels comprise four different colored sub-pixels arranged as a quadrant arrangement, and the line segments are row line segments parallel to a row direction of the sub-pixels. 
     
     
         18 . The touch display according to  claim 17 , wherein the nearest row line segments of each set corresponding to different columns of the sub-pixels are staggered in one sub-pixel along a column direction of the sub-pixels, and the nearest row line segments of each set corresponding to same column of the sub-pixels are spaced apart by a distance corresponding to three of the sub-pixels along the column direction. 
     
     
         19 . The touch display according to  claim 18 , wherein each of the row line segments is equal to three times a sub-pixel side width (3×Wsub). 
     
     
         20 . The touch display according to  claim 1 , wherein the sensing unit is a mesh having conducting lines woven together and coupled to each other, and the conducting lines comprises the sets of line segments.